Patents by Inventor Manfred K. Pruessner

Manfred K. Pruessner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Multi position solid state touch switch
    Patent number: 3986003
    Abstract: A solid state switch to step through its positions automatically so long as n activator plate is touched, or which can be stepped up or down with each touch, as well as switch both digital and analog signals.
    Type: Grant
    Filed: March 21, 1975
    Date of Patent: October 12, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Manfred K. Pruessner